GNU bug report logs - #18793
24.4; zero width rectangular selection displaces text

Previous Next

Full log

Message #22 received at 18793 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Lars Ingebrigtsen <larsi <at> gnus.org>,
 Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: carlosjosepita <at> gmail.com, 18793 <at> debbugs.gnu.org
Subject: Re: bug#18793: 24.4; zero width rectangular selection displaces text
Date: Thu, 05 May 2022 19:34:19 +0300

> Cc: 18793 <at> debbugs.gnu.org
> From: Lars Ingebrigtsen <larsi <at> gnus.org>
> Date: Thu, 05 May 2022 15:16:40 +0200
> 
> Carlos Pita <carlosjosepita <at> gmail.com> writes:
> 
> > 1) Put the point at the beginning of the following sequence of a's.
> > 2) Start a rectangular selection with C-x Space.
> > 3) Move the point one char to the right.
> > 4) Move it one char to the left so that it returns to the left margin.
> > 5) Repeat 3 and 4 a number of times.
> >
> > aaaaaaaaaaa
> >
> > Do you see how the sequences of a's moves back and forward? 
> 
> I can confirm that this behaviour is still present in Emacs 29.

AFAIU, that's a feature: we are trying to indicate the existence of
the selection, even though its width is zero.  Type "M-x
describe-text-properties RET" at the first character.  The indication
must take up some space on display, so it moves the following text to
the right.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.